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2004 Wagon - 4Matic front wheel bearings

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I am told that my front bearings need replacement soon. Looking at online parts sources I see RWD models have inner and outer bearing pressed into hub, while 4matic shows just one wider, non-tapered wheel bearing per side? Is this an easier job for 4matic or about same as RWD models? Anyone try the whole assembly with new hub and bearing pressed into place? I would think that by looking at the 4Matic bearings it is an easier job to get them out but don't know how much work is involved in getting to the bearings with 4Matic... am thinking of trying the hub and bearing route... do these part numbers look right?

bearing 220-330-00-51
hub and bearing 220-337-00-45



Thanks
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